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I bought a used mirror to replace mine which had malfunctioned. I want to leave the current post attached to the window and attach the "new" mirror onto it if possible. I don't know how to detach the wiring from the purchased mirror in order to plug the "new" mirror onto the current wiring harness. It appears like I need to pry the mirror apart to do this? Don't want to screw it up!

I bought a used mirror to replace mine which had malfunctioned. I want to leave the current post attached to the window and attach the "new" mirror onto it if possible. I don't know how to detach the wiring from the purchased mirror in order to plug the "new" mirror onto the current wiring harness. It appears like I need to pry the mirror apart to do this? Don't want to screw it up!

Thanks.

it is not necessary to to use your old post. The z4 m mirror has the connector that will plug right into you old harness. there is a push tab on the top of the mirror that detaches harness from the mirror to the car. Taking apart your old mirror is not a wise decision and its not exactly the easiest and it will tear up both mirrors. Watch a youtube video on how to remove your bmw mirror. it should only take a few seconds . Best of luck!